The cases,
as they were filed.
4 of 135 catalogued reports, each one carrying what makes it interesting and what is wrong with it. Filter it down; every combination has its own address.
Country
The record shows
Report
Record
4 cases
1991
Escuadron de Vigilancia Aerea n.4, 1991
Three men guarding a radar station watch a five-metre luminous sphere circle 150 metres over their own antennas for six minutes while the radar under their feet shows nothing at all.
Documented
1984
10 NM SE of Villanubla air base, 1984
A short, clean military file: tower sees a static object, an interceptor is sent up, radar shows nothing, and the service writes it off as a balloon.
Documented
1979
Airspace off Ibiza/Valencia; diversion to Manises; related Motril and Madrid events, 1979
A passenger jet with 109 people aboard puts down at Valencia because of lights that pace it, a Mirage F-1 is scrambled after them, and the Air Force file concludes there was uncontrolled…
Documented
1974
Aznalcollar, 1974
An Air Force investigation file describes a 150-200m disc hanging four metres off the ground while three eight-metre mushroom-shaped craft fly in through an open hatch in its rear.
Documented